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Skim — PDF (Open Source)

Skim is an open-source PDF solution from Skim project. Compare it against 60 other PDF tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is Skim?

Skim is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under PDF and published by Skim project. Buyers typically evaluate Skim when they need a dependable PDF option and want to weigh the trade-offs between free, open-source and paid tools before committing.

Skim alternatives

If Skim isn't the right fit, compare these PDF alternatives side by side:

ABBYY FineReaderAdobe Digital EditionsAdobe ReaderApache PDFBoxBluebeam RevuBullzip PDF PrinterCutePDFEvinceFoxit PDF ReaderGhostscriptGhostviewIssuuJasperReportsJavelin PDF Reader

Frequently asked questions

Is Skim free?
Yes. Skim is open source and free to use, with no purchase cost for the core product.
What are the best Skim alternatives?
Popular PDF alternatives to Skim include ABBYY FineReader, Adobe Digital Editions, Adobe Reader, Apache PDFBox. See the full list of PDF on FreeSoftwareX.
What type of software is Skim?
Skim is an open-source PDF tool developed by Skim project.

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